Stuffing machine



FIG. 1 is a perspective view of a stuffing machine showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 a back elevational view thereof; and,

FIG. 6 is a left side elevational view thereof.

Throughout the several views of the drawings lines shown in phantom are for purposes of illustration only and form no part of the claimed design. 

The ornamental design for a stuffing machine, as shown and described. 